/*
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package net.sf.l2j.gameserver.model.item;

import java.util.List;

import javolution.util.FastList;
import net.sf.l2j.gameserver.model.L2ItemInstance;
import net.sf.l2j.gameserver.model.L2ItemInstance.ItemLocation;
import net.sf.l2j.gameserver.model.actor.instance.L2PcInstance;

public class PcFreight extends ItemContainer {
	// private static final Logger _log =
	// Logger.getLogger(PcFreight.class.getName());
	private L2PcInstance _owner; // This is the L2PcInstance that owns
	// this
	// Freight;
	private int _activeLocationId;

	public PcFreight(L2PcInstance owner) {
		_owner = owner;
	}

	@Override
	public L2PcInstance getOwner() {
		return _owner;
	}

	@Override
	public ItemLocation getBaseLocation() {
		return ItemLocation.FREIGHT;
	}

	public void setActiveLocation(int locationId) {
		_activeLocationId = locationId;
	}

	public int getactiveLocation() {
		return _activeLocationId;
	}

	/**
	 * Returns the quantity of items in the inventory
	 * 
	 * @return int
	 */
	@Override
	public int getSize() {
		int size = 0;
		for (L2ItemInstance item : _items)
			if (item.getEquipSlot() == 0 || _activeLocationId == 0
					|| item.getEquipSlot() == _activeLocationId)
				size++;
		return size;
	}

	/**
	 * Returns the list of items in inventory
	 * 
	 * @return L2ItemInstance : items in inventory
	 */
	@Override
	public L2ItemInstance[] getItems() {
		List<L2ItemInstance> list = new FastList<L2ItemInstance>();
		for (L2ItemInstance item : _items)
			if (item.getEquipSlot() == 0
					|| item.getEquipSlot() == _activeLocationId)
				list.add(item);
		return list.toArray(new L2ItemInstance[list.size()]);
	}

	/**
	 * Returns the item from inventory by using its <B>itemId</B>
	 * 
	 * @param itemId
	 *            : int designating the ID of the item
	 * @return L2ItemInstance designating the item or null if not found in
	 *         inventory
	 */
	@Override
	public L2ItemInstance getItemByItemId(int itemId) {
		for (L2ItemInstance item : _items)
			if (item.getItemId() == itemId
					&& (item.getEquipSlot() == 0 || _activeLocationId == 0 || item
							.getEquipSlot() == _activeLocationId))
				return item;
		return null;
	}

	/**
	 * Adds item to PcFreight for further adjustments.
	 * 
	 * @param item
	 *            : L2ItemInstance to be added from inventory
	 */
	@Override
	protected void addItem(L2ItemInstance item) {
		super.addItem(item);
		if (_activeLocationId > 0)
			item.setLocation(item.getLocation(), _activeLocationId);
	}

	/**
	 * Get back items in PcFreight from database
	 */
	@Override
	public void restore() {
		int locationId = _activeLocationId;
		_activeLocationId = 0;
		super.restore();
		_activeLocationId = locationId;
	}

	@Override
	public boolean validateCapacity(int slots) {
		return getSize() + slots <= _owner.GetFreightLimit();
	}
}